Properly implement liballoc_free ()

kernel/proc/resource.h

@@ -3,6 +3,7 @@
 
 #include <libk/rbtree.h>
 #include <libk/std.h>
+#include <proc/mem.h>
 #include <proc/mutex.h>
 #include <sync/spin_lock.h>
 
@@ -13,15 +14,7 @@
 #define RV_PUBLIC  1
 
 struct proc;
-
-struct proc_resource_mem {
-  uintptr_t paddr;
-  size_t pages;
-};
-
-struct proc_resource_mem_init {
-  size_t pages;
-};
+struct proc_resource;
 
 struct proc_resource {
   int type;